[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AIT (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Sun Sep 4 20:25:47 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Sun 04 Sep, 2022

  IPv4 BGP Table (R&E) as seen at AIT.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AIT/

Analysis Summary
----------------

BGP routing table entries examined:                               34909
    Prefixes after maximum aggregation (per Origin AS):           14495
    Deaggregation factor:                                          2.41
    Unique aggregates announced (without unneeded subnets):       16431
    Number of IPv4 prefixes with a valid ROA:                     13957
    Number of IPv4 prefixes with an invalid ROA:                    251
    Number of IPv4 prefixes with no ROA:                          20701
Total ASes present in the Internet Routing Table:                  3578
    Prefixes per ASN:                                              9.76
Origin-only ASes present in the Internet Routing Table:            3053
Origin ASes announcing only one prefix:                            1272
Transit ASes present in the Internet Routing Table:                 525
Transit-only ASes present in the Internet Routing Table:             80
Paths with bogon ASNs present in the IPv4 Routing Table:              7
Average AS path length visible in the Internet Routing Table:       6.2
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (133385)                              11
Prefixes from unregistered ASNs in the Routing Table:                15
    Number of instances of unregistered ASNs:                        15
Number of 32-bit ASNs allocated by the RIRs:                      40131
Number of 32-bit ASNs visible in the Routing Table:                1078
Prefixes from 32-bit ASNs in the Routing Table:                    6342
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              9
Number of addresses announced to Internet:                    239284736
    Equivalent to 14 /8s, 67 /16s and 50 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.6
Total number of prefixes smaller than registry allocations:        2748

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                    20351
    Total APNIC prefixes after maximum aggregation:                5693
    APNIC Deaggregation factor:                                    3.57
Prefixes being announced from the APNIC address blocks:           20168
    Unique aggregates announced from the APNIC address blocks:     6555
APNIC Region origin ASes present in the Internet Routing Table:    1289
    APNIC Prefixes per ASN:                                       15.65
APNIC Region origin ASes announcing only one prefix:                415
APNIC Region transit ASes present in the Internet Routing Table:    197
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         19
Number of APNIC region 32-bit ASNs visible in the Routing Table:    655
Number of APNIC addresses announced to Internet:               62533376
    Equivalent to 3 /8s, 186 /16s and 47 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-151865
APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  39/8,  42/8,  43/8,
                        49/8,  58/8,  59/8,  60/8,  61/8, 101/8, 103/8,
                       106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8,
                       116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8,
                       123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8,
                       163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                       203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                       222/8, 223/8,

ARIN Region Analysis Summary
----------------------------

Prefixes being announced by ARIN Region ASes:                      8500
    Total ARIN prefixes after maximum aggregation:                 5079
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             8584
    Unique aggregates announced from the ARIN address blocks:      5735
ARIN Region origin ASes present in the Internet Routing Table:     1292
    ARIN Prefixes per ASN:                                         6.64
ARIN Region origin ASes announcing only one prefix:                 460
ARIN Region transit ASes present in the Internet Routing Table:     171
Average ARIN Region AS path length visible:                         7.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     187
Number of ARIN addresses announced to Internet:               109797632
    Equivalent to 6 /8s, 139 /16s and 97 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                      3655
    Total RIPE prefixes after maximum aggregation:                 2918
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3679
    Unique aggregates announced from the RIPE address blocks:      2957
RIPE Region origin ASes present in the Internet Routing Table:      698
    RIPE Prefixes per ASN:                                         5.27
RIPE Region origin ASes announcing only one prefix:                 314
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     145
Number of RIPE addresses announced to Internet:                59561728
    Equivalent to 3 /8s, 140 /16s and 215 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                    1431
    Total LACNIC prefixes after maximum aggregation:                579
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1435
    Unique aggregates announced from the LACNIC address blocks:     795
LACNIC Region origin ASes present in the Internet Routing Table:    161
    LACNIC Prefixes per ASN:                                       8.91
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    25
Average LACNIC Region AS path length visible:                       8.7
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4741120
    Equivalent to 0 /8s, 72 /16s and 88 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                    957
    Total AfriNIC prefixes after maximum aggregation:               212
    AfriNIC Deaggregation factor:                                  4.51
Prefixes being announced from the AfriNIC address blocks:          1034
    Unique aggregates announced from the AfriNIC address blocks:    380
AfriNIC Region origin ASes present in the Internet Routing Table:    47
    AfriNIC Prefixes per ASN:                                     22.00
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2648576
    Equivalent to 0 /8s, 40 /16s and 106 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 102/8, 105/8, 154/8, 196/8, 197/8,
                      

APNIC Region per AS prefix count summary
----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 23969        1975        314      16  TOT-NET TOT Public Company Limited, TH
  7470         722        532      44  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         681        170      56  NCIC-TW New Century InfoComm Tech Co., 
131090         631         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         562       2156     452  SINET-AS Research Organization of Infor
  4621         525         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         33      64  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
133481         426         74      30  AIS-FIBRE-AS-AP AIS Fibre, TH

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         221        703     181  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         156        507      93  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  8075         109       4108     105  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2920         108         34       7  LACOE, US
 19551         102          6      73  INCAPSULA, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         284       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         188       1775     183  JANET Jisc Services Limited, GB
  8895         138         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          94        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          62        598      58  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      73  TENET-1, ZA
 36914         240         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          20          1      14  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 23969        1975        314      16  TOT-NET TOT Public Company Limited, TH
  7470         722        532      44  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         681        170      56  NCIC-TW New Century InfoComm Tech Co., 
131090         631         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         562       2156     452  SINET-AS Research Organization of Infor
  4621         525         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         33      64  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
133481         426         74      30  AIS-FIBRE-AS-AP AIS Fibre, TH

Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7470         722          678  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
  9919         681          625  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
131090         631          623  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         525          507  UNINET-AS-AP UNINET-, TH
  4750         448          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
 45458         480          416  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
133481         426          396  AIS-FIBRE-AS-AP AIS Fibre, TH
131596         402          392  TBCOM-NET TBC, TW
  9931         424          389  CAT-AP The Communication Authoity of Thailand, 

Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     56096  UNALLOCATED  27.100.7.0/24            45455  TH-2S1N-AP Two S One N Co Lt
    135546  UNALLOCATED  45.254.232.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  45.254.233.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  45.254.234.0/24         133748  CORETELNET-AS-AP CORETEL NET
    135546  UNALLOCATED  103.64.139.0/24         133748  CORETELNET-AS-AP CORETEL NET
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
    134952  UNALLOCATED  103.204.12.0/24           7616  JINET-BKK-AS-AP Jasmine Inte
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

Complete listing at https://bgp.nsrc.org/REN/AIT/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/AIT/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
45.254.232.0/24      Origin:    135546  UNASSIGNED
45.254.232.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.233.0/24      Origin:    135546  UNASSIGNED
45.254.233.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
45.254.234.0/24      Origin:    135546  UNASSIGNED
45.254.234.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN
103.64.139.0/24      Origin:    135546  UNASSIGNED
103.64.139.0/24     Transit:    133748  CORETELNET-AS-AP CORETEL NETWORKS INTERN

Complete listing at https://bgp.nsrc.org/REN/AIT/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:0        /9:1       /10:2       /11:4       /12:12      
/13:25      /14:45      /15:144     /16:2174    /17:600     /18:847     
/19:1090    /20:1375    /21:1623    /22:3555    /23:2546    /24:20708   
/25:2       /26:2       /27:2       /28:3       /29:11      /30:44      
/31:33      /32:61      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         227         240  KENET-AS, KE
132280         153         309  SYMPHONY-AP-TH Symphony Communication Thailand 
  4621         152         525  UNINET-AS-AP UNINET-, TH
  8895         133         138  ISU Internet Services Unit ISU, SA
133481          70         426  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          53         114  OCDE, US
 18632          34          63  VOLCANO-VISION, US
 19551          32         102  INCAPSULA, US
 32440          32          47  LONI, US
 46115          32          35  LUTHER, US

Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:497       5:22        6:4         8:4         9:1        12:1      
  13:39       14:100      16:1        18:43       23:17       24:4      
  27:205      31:7        35:4        36:13       37:29       38:19     
  39:5        40:2        41:130      42:15       43:195      44:5      
  45:192      46:5        47:6        49:519      50:5        52:3      
  58:301      59:32       60:48       61:375      62:12       63:40     
  64:62       65:10       66:46       67:46       68:8        69:21     
  70:2        71:1        72:39       74:54       76:37       77:7      
  78:3        79:11       80:18       81:28       82:7        83:31     
  84:8        85:43       86:6        87:1        88:1        89:10     
  90:1        91:47       92:1        93:4        94:4        95:4      
  96:71       97:1        98:2       101:114     102:19      103:1357   
 104:79      106:75      107:51      108:8       109:10      110:468    
 111:124     112:46      113:146     114:42      115:140     116:70     
 117:79      118:376     119:296     120:13      121:30      122:295    
 123:102     124:165     125:200     128:95      129:47      130:91     
 131:91      132:59      133:145     134:309     135:8       136:222    
 137:81      138:13      139:20      140:64      141:15      142:39     
 143:33      144:41      145:4       146:155     147:83      148:193    
 149:17      150:157     151:6       152:77      153:14      154:62     
 155:51      156:72      157:36      158:42      159:268     160:29     
 161:100     162:28      163:94      164:89      165:94      166:1      
 167:54      168:172     169:10      170:78      171:189     172:5      
 173:8       175:99      176:9       177:11      178:1       179:10     
 180:131     181:3       182:236     183:40      184:12      185:71     
 186:3       187:19      188:15      189:3       190:34      191:38     
 192:1395    193:322     194:153     195:98      196:162     197:144    
 198:513     199:286     200:227     201:38      202:1311    203:1587   
 204:369     205:160     206:204     207:177     208:83      209:132    
 210:552     211:29      212:174     213:7       214:8       216:87     
 217:13      218:152     219:12      220:53      221:36      222:7      
 223:81     

End of report


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